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- harmonic diffractive lens 谐衍射透镜
- The Influence of Temperature Fluctuation upon Harmonic Diffractive Lenses Performance 温度变化对谐衍射透镜性能的影响
- harmonic diffraction lens 谐衍射透镜
- From the characteristic of harmonic relief patterns,the athermalization and achromatism of harmonic diffractive element have been studied in the paper. 从谐衍射元件的理论出发,讨论了谐衍射透镜在消色差和消热差时的特性。
- A dual-band step-zoom infrared optical system with four lenses is designed on the basis of the special properties of Harmonic Diffractive Element(HDE) and the zoom theory. 基于变焦系统的基本原理,利用谐衍射透镜的相关特性并结合中波红外和长波红外的特点,设计了仅含有4片透镜的红外双波段双焦光学系统。
- Gradient-index and diffractive lenses, and the ubiquitous zoom lens, were known but not well developed until the second half of the century. 渐变折射率透镜,衍射透镜以及普遍使用的变焦镜头早已为人知,但直到20世纪下半才发展完备。
- Carmina Lindono, Peter P.Clark,“Modeling diffraction efficiency effects when designing hybrid diffractive lens systems”, Appl.Opt., Vol. 31, No. 13, pp.2248-2252, 1992. 陈昭先,“对给定初阶像差目标值之光学薄透镜组设计方法与应用”,国立交通大学光电所,博士论文,民国86年。
- Harmonic diffractive optical element 谐衍射元件
- double-layer harmonic diffractive optical element 双层谐衍射元件
- The high order diffractive lenses take the place of conventional diffractive lenses to improve the performance of the system, and the telescope achieves a broader bandwidth. 使用谐衍射透镜代替普通衍射透镜,对系统进一步改进,使望远系统获得了较宽的光谱范围。
- Single-layer and double-layer harmonic diffractive optical element 单(双)层谐衍射元件
- Four Degrees Field of View Cassegrain Optical System with Diffractive Lens 含衍射透镜的4~d视场卡塞格林光学系统
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- Some adjustment of the lens may be necessary. 可能有必要调节一下镜头。
- Do you have soft contact lens care product? 有没有软性隐型眼镜保养用品?
- He uses lens to make things appear clearer. 他用镜片以便看东西更清楚些。
- Dispersion analysis of diffractive lenses 衍射透镜的色散分析
- The lens is often used to make telescopes. 镜片常被用来做成望远镜。
- Don't smear the lens; I've just polished it. 别把镜头弄脏了,我刚刚擦过。
- The harmonic combination of these tones. 四度和音音调的和谐组合